PSC K0: Modification of Equipment

Service group

Code facts

Codes under it
78
Contract awards
380 In the last 12 months
Contract obligations
$4,065,494,705 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $918,632
FY2026 $3,108,508,015
FY2025 $4,065,494,705
FY2024 $3,182,770,415
FY2023 $3,029,211,790

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 The Boeing Company $283,042,800
2 Lockheed Martin Corporation UEI XYUMJHQ1LJV5 $252,667,143
3 Raytheon Company $203,330,041
4 General Dynamics Information Technology, Inc. $199,296,786
5 Lockheed Martin Corp $176,520,354
6 Leidos, Inc. $163,155,924
7 Lockheed Martin Corporation UEI G4KDGE4JFFK7 $150,166,621
8 General Dynamics Land Systems Inc. $126,288,962
9 Lockheed Martin Corporation UEI CWM4UN76ZQW8 $93,838,784
10 Northrop Grumman Systems Corporation $85,338,703

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Navy Department of Defense $1,536,382,721
2 Missile Defense Agency Department of Defense $549,580,251
3 Department of Transportation $414,241,831
4 Department of the Army Department of Defense $257,119,310
5 Air Force Department of Defense $183,516,560
6 Office of the Secretary of Defense Department of Defense $128,102,738
7 National Aeronautics and Space Administration $16,963,739
8 Department of Veterans Affairs $10,363,824
9 Department of Homeland Security $6,747,410
10 Department of the Interior $2,596,251

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Maryland $433,853,652
2 California $423,891,767
3 Alabama $321,947,210
4 Virginia $283,813,588
5 Missouri $274,489,005
6 Massachusetts $207,597,589
7 Michigan $177,676,687
8 Texas $155,667,709
9 New Jersey $119,159,068
10 Oklahoma $106,817,336
11 Arizona $102,262,889
12 New York $83,964,876
13 District of Columbia $79,331,202
14 South Carolina $63,916,194
15 Florida $42,652,871
16 Georgia $40,704,573
17 Ohio $36,664,949
18 Minnesota $36,191,387
19 Washington $18,431,434
20 Nevada $13,714,488
21 New Mexico $10,172,005
22 Utah $9,999,832
23 West Virginia $7,475,376
24 Tennessee $5,255,604
25 Alaska $5,152,462
26 North Carolina $4,748,616
27 Rhode Island $3,827,930
28 Pennsylvania $3,338,707
29 Hawaii $3,038,014
30 Connecticut $2,208,698
31 Wisconsin $2,123,576
32 Illinois $2,086,379
33 Kansas $1,528,962
34 Montana $678,788
35 South Dakota $499,688
36 Nebraska $478,426
37 Delaware $370,902
38 Iowa $365,685
39 Maine $53,851
40 Indiana $45,060
41 Idaho $43,723
42 Louisiana $35,645
43 North Dakota $25,974
44 Oregon $23,821
45 Kentucky $11,532
Show all 45

Shares are of everything obligated under PSC K0 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Contract opportunities

Notice Posted Due
Massachusetts Army National Guard Tailoring & Alterations Solicitation · Army National Guard
Governor Control Programming Solicitation · ENDIST Seattle (USACE)
CH-53 Depot Level Aircraft Modifications Pre-Solicitation · Naval Air Systems Command (Navy)
Draft Solicitation - Aberdeen Test Center Welding, Machining, Painting, and Fabrication Services Pre-Solicitation · ACC Aberdeen Proving Ground
Navy Shore Sustainment Support Pre-Solicitation · Naval Information Warfare Systems Command (Navy)
PMA-262 Triton, Research and Development Material Procurement Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Cured-In-Place Pipe (CIPP) Repair for DDSP - SP330027Q0002 Solicitation · Distribution (DLA)
PIP-II f-37 building LWC pump room piping system installation Solicitation · Fermi National Accelerator Laboratory (DOE)
Software Defined Radio Solutions (SDRS) Integrated Product Team (IPT) Technical Support Pre-Solicitation · Naval Information Warfare Systems Command (Navy)
NAWCAD WOLF IC2IS Intelligence Communications Support Follow-On Sources Sought Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Electronic Warfare Systems Integration Test Environment (EW SITE) System Upgrade, Maintenance and Repair for Naval Air Warfare Center Weapons Division Solicitation · Naval Air Warfare Center (NAVAIR)
F /A-18 E/F and EA-18G Depot Level Maintenance (DLM) 2029-2034 Pre-Solicitation · Naval Air Systems Command (Navy)
NAWCAD WOLF - Presolicitation Notice – Sole-Source Requirement for SNC Hardware and Software Trouble Report Support Basic Ordering Agreement (BOA) Task Order (TO) Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Curtain cleaning and installation Pre-Solicitation · Marine Corps (Navy)
LFSS Questions and Answers #1-58 Special Notice · Department of the Army —
CFAO Security Vehicle Demilitarization & Tactical Upfitting Services Award Notice · Naval Supply Systems Command (Navy) —
TSA Systems Integration Facility (TSIF) Systems Inventory and Integration (TSII) Extension - 70T04021F7672N063 Limited / Sole Source Justification · Transportation Security Administration —
Synthetic Signature Generation (SSG) Support Services Solicitation · Naval Sea Systems Command (Navy)
India Navy Multi-Role Helicopter Follow On Sustainment Solicitation · Naval Air Systems Command (Navy)
Electrical Hull Fitting (EHF) Repairs Award Notice · Naval Sea Systems Command (Navy) —
Custom mobile field laboratory van build Award Notice · Office of Acquisitions and Grants (USGS) · 140G0226Q0173 —
Award - FIBER OPTIC LINE REPLACEMENTS ML, Lassen V Award Notice · Pacific West Region (NPS) —
Sources Sought for Bus Wrapping Pre-Solicitation · Marine Corps (Navy)
K - 4, 000-Gallon Water Tender Unit Solicitation · Forest Service
STOPLOG LIFTING BEAM MODIFICATION PROJECT - Colorado River Agency Award Notice · Western Region (BIA) —
Garrison trash rack modification crane rental Solicitation · ENDIST Omaha (USACE)
Caribou-Targhee National Forest Soda Springs District Office HVAC Modifications Solicitation · Forest Service
Hill-Rom Nurse Call Award Notice · MICC Fort Hood —
Amended - PNSY Pole Cap Machining and Replating Solicitation · Naval Sea Systems Command (Navy)
FASTC Barrier Replacement Solicitation · Office of Acquisition Management
NCDOC Switchgear Retrofit & Fuel Tank Install Award Notice · Naval Supply Systems Command (Navy) —
Custom mobile field laboratory van build Solicitation · Office of Acquisitions and Grants (USGS) · 140G0226Q0173
N6449826R0006-Sole Source Award Notice · Naval Sea Systems Command (Navy) —
Response Vehicle Conversions Solicitation · Naval Air Warfare Center (NAVAIR)
MN DIV OF REFUGE LE Vehicle Upfit Award Notice · Fish and Wildlife Service —
HVAC Replacement BLDG 122 Solicitation · Army National Guard
Pre-solicitation Notice with Intent to Sole Source – Sportsmobile Texas, Inc. Special Notice · Farm Production and Conservation
SOLE SOURCE – Engineering Support and Sustainment Supplies/Services for the AN/AAQ-30 series of Target Sight Systems (TSS) Limited / Sole Source Justification · Naval Sea Systems Command (Navy) · N0016426DLN08 —
SOLE SOURCE – Engineering Support and Sustainment Supplies/Services for the AN/AAQ-30 series of Target Sight Systems (TSS) Award Notice · Naval Sea Systems Command (Navy) · N0016426DLN08 —
Notice of Intent to Sole Source-Upgrade Control System at Wenatchee WA Special Notice · Forest Service
IA-port louisa NWR-truck service body Award Notice · Fish and Wildlife Service —
Air boat Solicitation · Animal and Plant Health Inspection Service
To Support the development and fabrication of Superconducting Coil Systems Solicitation · Shared Services Center
NAWCAD WOLF Mission Systems Integration (MSI) Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Lower Wing / Elevon Heater Carriages Solicitation · Shared Services Center
K065--Draeger Anesthesia Record Keeping System Award Notice · Veterans Integrated Service Network 17 (VHA) —
Boat alterations 64PB vessels Limited / Sole Source Justification · Naval Strategic Systems Programs (Navy) —
Headspace Gage Modification Solicitation · Naval Sea Systems Command (Navy)
Research Plot Combine Weigh System Award Notice · Agricultural Research Service —
Triadelphia - B9 Piping Project Solicitation · Office of the Assistant Secretary for Administration and Management
Show 40 more

Latest 50 of 1,950 listed here. See the rest on GovTribe.

Codes under K0

PSC code
K010 Modification of Equipment: Weapons
K011 Modification of Equipment: Nuclear Ordnance
K012 Modification of Equipment: Fire Control Equipment
K013 Modification of Equipment: Ammunition and Explosives
K014 Modification of Equipment: Guided Missiles
K015 Modification of Equipment: Aircraft and Airframe Structural Components
K016 Modification of Equipment: Aircraft Components and Accessories
K017 Modification of Equipment: Aircraft Launching, Landing, and Ground Handling Equipment
K018 Modification of Equipment: Space Vehicles
K019 Modification of Equipment: Ships, Small Craft, Pontoons, and Floating Docks
K020 Modification of Equipment: Ship and Marine Equipment
K022 Modification of Equipment: Railway Equipment
K023 Modification of Equipment: Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles
K024 Modification of Equipment: Tractors
K025 Modification of Equipment: Vehicular Equipment Components
K026 Modification of Equipment: Tires and Tubes
K028 Modification of Equipment: Engines, Turbines, and Components
K029 Modification of Equipment: Engine Accessories
K030 Modification of Equipment: Mechanical Power Transmission Equipment
K031 Modification of Equipment: Bearings
K032 Modification of Equipment: Woodworking Machinery and Equipment
K034 Modification of Equipment: Metalworking Machinery
K035 Modification of Equipment: Service and Trade Equipment
K036 Modification of Equipment: Special Industry Machinery
K037 Modification of Equipment: Agricultural Machinery and Equipment
K038 Modification of Equipment: Construction, Mining, Excavating, and Highway Maintenance Equipment
K039 Modification of Equipment: Materials Handling Equipment
K040 Modification of Equipment: Rope, Cable, Chain, and Fittings
K041 Modification of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment
K042 Modification of Equipment: Fire Fighting, Rescue, and Safety Equipment; and Environmental Protection Equipment and Materials
K043 Modification of Equipment: Pumps and Compressors
K044 Modification of Equipment: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors
K045 Modification of Equipment: Plumbing, Heating, and Waste Disposal Equipment
K046 Modification of Equipment: Water Purification and Sewage Treatment Equipment
K047 Modification of Equipment: Pipe, Tubing, Hose, and Fittings
K048 Modification of Equipment: Valves
K049 Modification of Equipment: Maintenance and Repair Shop Equipment
K051 Modification of Equipment: Hand Tools
K052 Modification of Equipment: Measuring Tool
K053 Modification of Equipment: Hardware and Abrasives
K054 Modification of Equipment: Prefabricated Structures and Scaffolding
K055 Modification of Equipment: Lumber, Millwork, Plywood, and Veneer
K056 Modification of Equipment: Construction and Building Materials
K058 Modification of Equipment: Communication, Detection, and Coherent Radiation Equipment
K059 Modification of Equipment: Electrical and Electronic Equipment Components
K060 Modification of Equipment: Fiber Optics Materials, Components, Assemblies, and Accessories
K061 Modification of Equipment: Electric Wire, and Power and Distribution Equipment
K062 Modification of Equipment: Lighting Fixtures and Lamps
K063 Modification of Equipment: Alarm, Signal, and Security Detection Systems
K065 Modification of Equipment: Medical, Dental, and Veterinary Equipment and Supplies
K066 Modification of Equipment: Instruments and Laboratory Equipment
K067 Modification of Equipment: Photographic Equipment
K068 Modification of Equipment: Chemicals and Chemical Products
K069 Modification of Equipment: Training Aids and Devices
K070 Modification of Equipment: Automatic Data Processing Equipment (Including Firmware), Software, Supplies and Support Equipment
K071 Modification of Equipment: Furniture
K072 Modification of Equipment: Household and Commercial Furnishings and Appliances
K073 Modification of Equipment: Food Preparation and Serving Equipment
K074 Modification of Equipment: Office Machines, Text Processing Systems and Visible Record Equipment
K075 Modification of Equipment: Office Supplies and Devices
K076 Modification of Equipment: Books, Maps, and Other Publications
K077 Modification of Equipment: Musical Instruments, Phonographs, and Home Type Radios
K078 Modification of Equipment: Recreational and Athletic Equipment
K079 Modification of Equipment: Cleaning Equipment and Supplies
K080 Modification of Equipment: Brushes, Paints, Sealers, and Adhesives
K081 Modification of Equipment: Containers, Packaging, and Packing Supplies
K083 Modification of Equipment: Textiles, Leather, Furs, Apparel and Shoe Findings, Tents and Flags
K084 Modification of Equipment: Clothing, Individual Equipment, and Insignia
K085 Modification of Equipment: Toiletries
K087 Modification of Equipment: Agricultural Supplies
K088 Modification of Equipment: Live Animals
K089 Modification of Equipment: Subsistence
K091 Modification of Equipment: Fuels, Lubricants, Oils, and Waxes
K093 Modification of Equipment: Nonmetallic Fabricated Materials
K094 Modification of Equipment: Nonmetallic Crude Materials
K095 Modification of Equipment: Metal Bars, Sheets, and Shapes
K096 Modification of Equipment: Ores, Minerals, and Their Primary Products
K099 Modification of Equipment: Miscellaneous
Show all 78

Quick answers

What is PSC K0?

PSC K0 is Modification of Equipment, a service group in PSC K, Modification of Equipment.

What codes are under PSC K0?

PSC K0 has 78 codes under it with their own GovTribe pages, including K010 Modification of Equipment: Weapons, K011 Modification of Equipment: Nuclear Ordnance and K012 Modification of Equipment: Fire Control Equipment.

How much do federal agencies spend under PSC K0?

Federal contracts under PSC K0 obligated $4,065,494,705 in fiscal year 2025 and $13,386,903,557 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC K0?

The contractors with the most obligated under PSC K0 in fiscal years 2026 and 2027 are The Boeing Company ($283,042,800), Lockheed Martin Corporation ($252,667,143) and Raytheon Company ($203,330,041).

Which agencies buy the most under PSC K0?

The agencies that obligated the most under PSC K0 in fiscal years 2026 and 2027 are Department of the Navy ($1,536,382,721), Missile Defense Agency ($549,580,251) and Department of Transportation ($414,241,831).

Which NAICS codes are used with PSC K0?

The NAICS codes with the most obligated under PSC K0 in fiscal years 2026 and 2027 are 541330 Engineering Services; 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); and 336411 Aircraft Manufacturing.

Where is the work under PSC K0 performed?

By place of performance, the states with the most contract obligations under PSC K0 over the last 12 months are Maryland ($433,853,652), California ($423,891,767) and Alabama ($321,947,210).

What is the latest contract opportunity under PSC K0?

The latest contract opportunity under PSC K0 is Massachusetts Army National Guard Tailoring & Alterations, solicitation from Army National Guard, posted October 22, 2026.

On GovTribe

See everything under PSC K0

  • Federal contract opportunities, awards and IDVs under this code
  • Funding analysis by contractor, agency and set-aside
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